Re: proposal: get oldest LSN - function

On 27.02.2016 03:07, Andres Freund wrote
> How does it help with any of that?
Hi, thank you for fast answer.
Maybe i wasn't too accurate in terms, because I newbie, but:
We can get information about xlog, using big amout of support function 
(pg_current_xlog_location(), pg_current_xlog_insert_location(), 
pg_xlogfile_name_offset(), pg_xlogfile_name(), 
pg_last_xlog_receive_location(), pg_last_xlog_replay_location(), ... 
etc) they helps to get get useful information about xlog files and its 
content. So, this patch extends this amount of functions.

This function is mostly for debugging purposes.

--
Ivan Kartyshov
Postgres Professional: www.postgrespro.com
Russian Postgres Company